Technique URL (WCAG 2.0)

Why this maybe a Barrier

If the purpose of a form control is not clear, the users don't know what kind of data they are expected to fill in. They may not even be aware of the form field.

Correct mark up of form fields in PDF document helps users to provide the information that is expected. Moreover, if users can check the state of a form field, they can verify the information entered in a form, and thus avoid errors.

WCAG 2.0 Reference

1.3.1 Info and Relationships:“Information, structure, and relationships conveyed through presentation can be programmatically determined or are available in text. (Level A)”

4.1.2 Name, Role, Value:“For all user interface components (including but not limited to: form elements, links and components generated by scripts), the name and role can be programmatically determined; states, properties, and values that can be set by the user can be programmatically set; and notification of changes to these items is available to user agents, including assistive technologies. (Level A)”